text Colombo IIMI 1993 eng xx, 148 p. : ill. ; 25 cm. Incl. Bibl. D. Hammond Murray-Rust and W. Bart Snellen IRRIGATION SYSTEMS 631.67 631.67 MUR i 92-9090-192-6 220604 20220604103315 INLIS000000000004218 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)